Thermoelement

a technology of thermoelement and temperature data, applied in the field of thermoelement, can solve the problems of inaccurate temperature data and inaccuracy in measuring
US20110292968A1Active Publication Date: 2011-12-01INNOVATHERM PROF DR LEISENBERG
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
INNOVATHERM PROF DR LEISENBERG
Publication Date
2011-12-01

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Abstract

A thermoelement (1) for measuring the temperature in gaseous or fluid media by means of one or more thermocouples (4) comprising wires of different metals welded together which give off a resulting electrical voltage when heated and are configured as a measuring insert (2) arranged in an insulating rod (3) disposed in a heat-resistant protective tube (11) that can be connected to a connection head (6), the protective tube being wholly or partially surrounded by a holding tube (21). To prevent a high input of heat which has an unfavourable effect on a temperature measurement, the holding tube (21) is supported against the protective tube (11) at a radial distance from the protective tube (11), and a heat-resistant trace (31) and optionally an insulating material (33) are inserted between the protective tube (11) and the holding tube (21), and the holding tube (21) is attached to the connection head (6) and / or the protective tube (11) in one or both end areas and is provided with thermal insulation.
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Description

BACKGROUND OF THE INVENTION

[0001] 1. Field of the Invention

[0002] The present invention relates to a thermoelement for measuring the temperature in gaseous or fluid media by means of one or more thermocouples, each comprising wires of different metals welded together, which give off a resulting electrical voltage when heated, and are configured as a measuring insert arranged in an insulating rod inserted in a heat-resistant protective tube that can be connected to a connection head, in which case the protective tube is wholly or partially surrounded by a holding tube.

[0003] 2. Description of the Prior Art

[0004] Thermoelements of this kind are familiar in numerous different embodiments and have proven effective in practice for measuring the temperature in thermal process systems. Although the protective tube and / or also the holding tube are manufactured from more or less heat-resistant materials, according to the particular application, the heat input into the contact surfaces of the pro...

Claims

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